TWPro MB - Gas Cowl - Ø 150
At a Glance
- Premium 304 stainless steel outer layer with high-temperature black coating
- Robust 316L stainless steel inner lining for enhanced durability
- Insulated with 200kg/m3 compressed rockwool for optimal heat retention
- Fully HETAS approved and CE marked to meet rigorous European standards
- Includes a Locking Band for simple, secure installation maintaining a safe 50mm clearance

Please Note: All dimensions refer to the internal diameter of flues. If unsure, please call 01670 206999 to ensure you choose the correct products.
We Won't Be Beaten On Price
At National Flues, we continuously monitor competitor prices. This ensures that we consistently offer you the best deals on all our products. Here’s how we keep your costs low:
- Daily Price Matching: Our team adjusts prices to ensure we stay competitive.
- Bulk Purchasing Power: We sell a lot, so we can negotiate better rates with suppliers, passing the savings directly to you.
- Operational Efficiency: We have streamlined processes to reduce overhead.
Price Match Guarantee: If you find the same product cheaper within 48 hours, we’ll match it and refund the difference.
Free Delivery Over £100: Orders over £100 are free delivery (call us if delivery is required outside the mainland UK).
“I saved 20% on my purchase compared to other retailers. Exceptional service!” – Jane D.
Have Questions?
Phone: 01670 206999
Email: [email protected]
- Info
- Specs
- Install
- FAQs
The TWPro MB Gas Cowl - Ø 150 is expertly crafted for use with gas and oil appliances such as wood stoves, gas coal effect fires, oil boilers, and gas boilers. Constructed with a robust outer layer of 304 stainless steel, 0.4mm thick, and finished with a high-temperature black coating, this cowl is designed for durability and aesthetic appeal. The inside is lined with 316 grade stainless steel, also 0.4mm thick, and insulated with 200kg/m3 compressed rockwool, ensuring optimal heat retention and safety.
All components are fully welded, maintaining integrity and performance. The cowl is HETAS Approved and CE marked, meeting rigorous European standards. Installation is straightforward with the included Locking Band, ensuring a secure fit and maintaining the recommended 50mm distance from combustibles.
Compliant with EN1856-1 T600 N1 W V2 L50040 G50 and EN1856-1 T200 P1 W V2 L50040 O20 standards, the TWPro MB Gas Cowl is a reliable and high-quality chimney solution.
SKU: 37-150-092
Technical Specifications | |
---|---|
Product Name | TWPro MB - Gas Cowl - u00d8 150 |
SKU | 37-150-092 |
Outer Material | 304 Stainless Steel - 0.40mm - High Temperature Black Coated |
Inner Material | 316L Stainless Steel - 0.40mm |
Insulation | 200kg/m3 compressed rockwool |
Approvals | HETAS / CE |
Standards | EN1856-1 T600 N1 W V2 L50040 G50, EN1856-1 T200 P1 W V2 L50040 O20 |
Suitable Fuels | Wood, Oil, Gas, Low sulphur coal |
Installation Requirement | Maintain 50mm distance from combustibles |
Includes | Locking Band for secure installation |
Delivery Information +
We work relentlessly to ensure you get your order fast. Estimated delivery for this product is Friday, April 4th. If you need faster stove or fireplace delivery please give us a call. We can often reduce longer lead times if we pay the carrier £25 for express delivery. Visit our Shipping Information page for more information.
Warranty & Returns +
All our products come with warranties. Mi-Flex offers a lifetime guarantee. Returns for damaged items are covered by insurance; non-damaged returns incur return delivery costs.
Price Match Guarantee +
We will match any price like for like. If you find it cheaper within 48 hours, we'll refund the difference.
Compatible and other products that may be of interest...
National Flues Ltd Verdict
The TWPro MB Gas Cowl - Ø 150 is an outstanding choice for your gas appliances. Trusted by both retail and trade customers, this gas cowl ensures efficiency and safety. With reliable nationwide delivery and competitive prices, National Flues is your best partner for fireplaces and flues.
The TWPro MB Gas Cowl - Ø 150 is designed to provide efficient ventilation and safety for gas appliances, preventing backdrafts and ensuring optimal performance.
National Flues is a leading supplier of high-quality fireplaces and flues in the UK. We serve both retail and trade customers nationwide with reliable delivery, competitive pricing, and secure online payments.
